Centuries past, J9 blazed across the vast expanse of the Solar System battling malevolence and chasing riches. In a time of escalating lawlessness and the looming threat of an alien armada, the delicate authority struggles to hold its ground. Amid this turmoil, old comrades Digo and Schutecken rally the Cosmo Rangers, a modernized incarnation of J9, to combat criminality in the asteroid belt and beyond. With a diverse team including the skilled Billy the Shot, the agile Jumping Sama, and the enigmatic Lila the Immortal Butterfly, their ranks swell to resemble an army. Now thrust into the role of protectors for a faltering regime, the Cosmo Rangers face challenges that push them beyond their limits.